Read Sharp XL-3000 (serv.man6) Service Manual online
– 33 –
XL-3000H
7
8
9
10
11
12
0.6V
2.3V
0V
5.1V
2.5V
2.5V
2.5V
2.5V
1.3V
1.3V
0V
0V
0V
0V
5.1V
2.5V
2V
2.5V
5.1V
V
2.3V (0V)
1.3V
1.3V
4V
(2.2V)
2.1V
(1.2V)
3.8V
(1.9V)
3.8V
(4.3V)
2.9V
0V
5V
5V
0V
0.1V
0V
3.9V
(0V)
(0V)
3.5V
0V
3.7V
(11
.4V)
5.2V
2.6V
(2.6V)
0V
0V
(0V)
10.8V
10.9V
11.7V
+B
+B
+B
+B
+B
+B
+B
RDS
CIRCUIT
10
12
13
14
11
1
2
3
4
5
8
9
6
7
RDS CLK
RDS DATA
VSM
SD
FM ST
DO
CL
CE
DI
A_12V
D_GND
TUN_L
TUN_R
A_GND
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
OUT
OUT
MPX VCO
MPX IN
MO/ST
L-CH
R-CH
(AM/FM)
PHASE
PHASE
IF OUT
VCC
FM DET
STEREO
PASS
TER
11
10
9
8
IF IN
AM IN
FM IN
VDD
17 16 15
14 13 12
CNP307
P28 4,5-A
TO
MAIN PWB-A1(1/2)
MAIN PWB-A1(1/2)
TUNER PWB-A2
FM
MUTE
MO/ST
IF REQ
17
16
15
14
13
12
11
10
9
8
7
456kHz
456kHz
2
3
1
354
R528
1K
1K
R529
1K
1K
CNS307
R366
2.2K
2.2K
C372
1/50
1/50
C371
1/50
1/50
C398
100/10
C527
0.1
0.1
C525
22P(CH)
22P(CH)
C526
22P(CH)
22P(CH)
X521
IC521
LC72723M
C524
560P
560P
D521
1N4148
1N4148
D308
1N4148
1N4148
R521
47K
C537
0.022
0.022
C523
0.1
C522
330P
C391
47/16
X351
R361
5.6K
5.6K
C368
1/50
R356
1K
R357
470K
R362
5.6K
5.6K
C369
56P
C374
0.018
C373
0.018
R353
270
C354
0.022
CF351
0.022
C385
0.01
R377
5.6K
5.6K
R355
3.3K
C357
2.2/50
2.2/50
C358
1/50
1/50
C399
0.022
C356
0.001
0.001
R393
1K
R395
47K
L351
100
100
µ
H
C370
1/50
C355
22P
C383
0.022
R387
5.6K
L352
100
100
µ
H
C395
0.022
0.022
C396
100/10
100/10
ZD351
DZ5.1BSB
DZ5.1BSB
R391
390
390
R392
390
390
Q351
KRC104 M
R363
6.8K
R364
6.8K
C386
330P
R365
10K
R359
1.8K
1.8K
R360
4.7K
4.7K
Q360
KTA1266 GR
R385
5.6K
5.6K
R384
6.8K
6.8K
R383
5.6K
5.6K
R376
10K
C535
47/16
C536
0.022
0.022
L521
2.2
2.2
µ
H
R532
10K
Q521
KTC3199 GR
C521
10/16
R534
56K
R533
56K
Figure 33 SCHEMATIC DIAGRAM (6/8)
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